CN220923804U - Automobile refueling structure and vehicle with same - Google Patents

Abstract

The utility model discloses an automobile oiling structure and a vehicle with the same, which are used for the vehicle, wherein an oiling hole is arranged on the vehicle, and the automobile oiling structure comprises: the device comprises a oiling assembly, a decompression assembly and a diversion assembly; the oiling component comprises an oil tank and an oiling pipe; the pressure reducing assembly comprises an adsorption tube and a carbon tank; the diversion component comprises a venturi tube and a diversion tube, and the venturi tube is arranged in the oiling tube; one end of the flow guide pipe is communicated with the flow passage close to the second opening, and the other end of the flow guide pipe is communicated with the adsorption pipe. The venturi tube is arranged in the oil filling tube, and the lowest point of the flow passage close to the second opening and the adsorption tube is communicated through the flow guide tube, so that negative pressure is formed in the flow passage by utilizing the principle that the pressure on the interface of an object and fluid can be reduced when the fluid speed is increased, so that liquid fuel stored in the adsorption tube is sucked into the oil filling tube, the problem of oil filling jump gun caused by the accumulation of the fuel in the adsorption tube can be solved, and meanwhile, the fuel utilization rate is improved.

Description

Automobile refueling structure and vehicle with same

Technical Field

The utility model relates to the technical field of vehicles, in particular to an automobile oiling structure and a vehicle with the same.

Background

In the prior art, when a fuel system is designed for a vehicle, the lowest point of an adsorption pipeline needs to be avoided, because the lowest point stores part of oil when oil vapor condenses into liquid fuel or dynamic leakage occurs, the stored oil can block the pipeline, the pressure in the oil tank is increased, and the problem of early gun skip during the next fuel filling is easy to occur; however, the design of the lowest point of the adsorption tube cannot be avoided, so that the problem of oil accumulation in the adsorption tube of the existing vehicle can still occur, the problem of gun jump in advance during oiling can occur, and even the problem of failure of the carbon tank caused by introduction of accumulated liquid oil into the carbon tank can occur.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the automobile refueling structure, which can effectively solve the problem that a vehicle is easy to jump in the refueling process, can prolong the service life of a carbon tank, avoid the failure of the carbon tank, and can reduce the fuel consumption of the vehicle.

According to the embodiment of the utility model, the automobile refueling structure is used for a vehicle, the vehicle is provided with a refueling hole, and the automobile refueling structure comprises: the device comprises a oiling assembly, a decompression assembly and a diversion assembly; the oiling assembly comprises an oil tank and an oiling pipe, one end of the oiling pipe is communicated with the oil tank, and the other end of the oiling pipe is matched with the oiling hole; the pressure reducing component comprises an adsorption pipe and a carbon tank, and the adsorption pipe is communicated with the carbon tank and the oil tank; the flow guiding assembly comprises a venturi tube and a flow guiding tube, the venturi tube is arranged in the oil filling tube, the venturi tube comprises a first tube body, a first opening and a second opening are formed in the two ends of the first tube body, the first opening faces the oil filling hole, the second opening faces the oil tank, the diameter of the first opening is larger than that of the second opening, and the diameter of a flow channel in the first tube body is gradually reduced in the direction from the first opening to the second opening; one end of the flow guide pipe is communicated with the flow passage close to the second opening, and the other end of the flow guide pipe is communicated with the adsorption pipe.

According to the automobile refueling structure provided by the embodiment of the utility model, the venturi tube is arranged in the refueling tube, and the flow passage close to the second opening is communicated with the adsorption tube through the flow guide tube, so that negative pressure is formed in the flow passage by utilizing the principle that the pressure on the interface of an object in contact with the fluid can be reduced when the fluid speed is increased, so that liquid fuel stored in the adsorption tube is sucked into the refueling tube and is replenished into the fuel tank, and fuel is added for circulation, thereby not only solving the problem of refueling jump gun caused by fuel storage in the adsorption tube, but also reducing fuel waste and improving fuel utilization rate, and in addition, solving the problem that the liquid fuel stored in the adsorption tube can be introduced into the carbon tank to cause the failure of the carbon tank.

In addition, the automobile refueling structure according to the utility model can also have the following additional technical characteristics:

In some embodiments, the venturi further comprises a second tube body, a first hollow channel is arranged in the second tube body, the first hollow channel is in butt joint communication with the first opening, a first fixing portion is arranged on the second tube body, a second fixing portion is arranged on the oil filling tube, and the first fixing portion is matched with the second fixing portion.

In some embodiments, the first fixing portion is provided in plurality at intervals in the circumferential direction of the second pipe body, the second fixing portion is a mounting groove, and the first fixing portion is mounted in the mounting groove.

In some embodiments, the first fixing portion includes a supporting piece and a clamping piece, one end of the supporting piece is fixedly connected with the second pipe body, the other end of the supporting piece is fixedly connected with the clamping piece, the supporting piece extends along the radial direction of the second pipe body, the clamping piece extends along the circumferential direction of the second pipe body, the second fixing portion is a clamping groove, and the clamping piece is matched with the clamping groove.

In some embodiments, the diameter of the second tube body is smaller than the diameter of the filler tube, leaving a flow passage between the second tube body and the filler tube.

In some embodiments, the venturi further comprises a third tube having a second hollow passage therein, the second hollow passage in communication with the second opening, the third tube having a diameter the same as the diameter of the second opening, the draft tube in communication with the third tube.

In some embodiments, a first diversion part is arranged on the third pipe body, extends along the radial direction of the third pipe body, and communicates the diversion pipe with the third pipe body; the adsorption tube is provided with a second flow guiding part, the second flow guiding part extends along the radial direction of the adsorption tube, and the second flow guiding part is communicated with the flow guiding tube and the adsorption tube.

In some embodiments, the third tube body is provided with a mounting structure that is coupled to the filler tube.

In some embodiments, a one-way valve is arranged in the flow guiding pipe, the one-way valve is conducted in the direction from the adsorption pipe to the oil filling pipe, and conversely, the one-way valve is closed.

The utility model also provides a vehicle with the embodiment.

According to the vehicle provided by the embodiment of the utility model, the problem that the vehicle is easy to jump in the refueling process can be effectively solved by arranging the automobile refueling structure, meanwhile, the service life of the carbon tank can be effectively prolonged, and in addition, the fuel oil loss of the vehicle can be reduced.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic structural view of an automotive fuel filling structure according to an embodiment of the present utility model;

FIG. 2 is an enlarged view according to area A of FIG. 1;

FIG. 3 is a schematic view of the structure of a venturi (first view) of an automotive fueling structure according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of a venturi (second view) of an automotive fueling structure according to an embodiment of the present utility model;

Fig. 5 is a schematic structural view of a check valve of an automobile refueling structure according to an embodiment of the present utility model.

Reference numerals:

100. An automobile refueling structure;

1. a fueling assembly; 11. an oil tank; 12. a filler tube;

2. A pressure relief assembly; 21. an adsorption tube; 22. a carbon tank;

3. A flow guiding assembly; 31. a venturi tube; 32. a flow guiding pipe; 311. a first tube body; 312. a second tube body; 313. a third tube body; 3121. a first fixing portion; 31211. a support sheet; 31212. a clamping piece;

4. A one-way valve.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

An automobile refueling structure 100 according to an embodiment of the present utility model is described below with reference to fig. 1 to 5.

As shown in fig. 1 to 5, an automobile refueling structure 100 according to an embodiment of the present utility model is for a vehicle on which a fuel filler hole is provided, the automobile refueling structure 100 including: a refueling assembly 1, a decompression assembly 2 and a diversion assembly 3; the oiling assembly 1 comprises an oil tank 11 and an oiling pipe 12, wherein one end of the oiling pipe 12 is communicated with the oil tank 11, and the other end of the oiling pipe 12 is matched with an oiling hole; during refueling, fuel can enter the fuel filler tube 12 through the fuel filler hole, and thus enter the fuel tank 11; the decompression assembly 2 comprises an adsorption tube 21 and a carbon tank 22, wherein the adsorption tube 21 is communicated with the carbon tank 22 and the oil tank 11; the carbon tank 22 can store evaporated oil gas and convey the stored oil gas to the engine to participate in work in the vehicle working state, so that the fuel waste can be effectively reduced, and the fuel utilization rate is improved.

The flow guiding assembly 3 comprises a venturi tube 31 and a flow guiding tube 32, the venturi tube 31 is arranged in the oil filling tube 12, the venturi tube 31 comprises a first tube body 311, two ends of the first tube body 311 are provided with a first opening and a second opening, the first opening faces the oil filling hole, the second opening faces the oil tank 11, the diameter of the first opening is larger than that of the second opening, and the diameter of a flow channel in the first tube body 311 is gradually reduced in the direction from the first opening to the second opening; one end of the draft tube 32 communicates with the flow passage near the second opening, and the other end of the draft tube 32 communicates with the adsorption tube 21.

In this embodiment, when fuel is filled, the fuel in the fuel filling pipe 12 will first pass through the first opening of the first pipe body 311, and since the diameter of the first opening is larger, more fuel will enter the first pipe body 311.

Since the diameter of the flow channel in the first pipe body 311 gradually narrows in the direction from the first opening to the second opening, for example, as shown in fig. 3, the first pipe body 311 is in an inverted cone shape as a whole, so that the fuel flowing in the first pipe body 311 is closer to the second opening, the flow velocity thereof is faster, and the pressure in the flow channel closer to the second opening is smaller.

The flow guide pipe 32 is communicated with the flow passage close to the second opening and the adsorption pipe 21, and because the pressure in the flow passage is smaller, the pressure in the adsorption pipe 21 is larger, a pressure difference is formed between the flow passage and the adsorption pipe 21, negative pressure is formed in the flow passage, suction force is generated on the adsorption pipe 21, and therefore liquid fuel stored in the adsorption pipe 21 can be sucked into the flow guide pipe 32 and enters the flow passage through the flow guide pipe 32 to be replenished into the fuel tank 11, the problem of liquid fuel stored in the adsorption pipe 21 is solved, fuel waste is reduced, and fuel utilization rate is improved.

In some embodiments, for example, as shown in fig. 1, the adsorption tube 21 has a plurality of bends, where the bends are easy to accumulate liquid fuel, and the bends are distributed up and down, so that the tube body of the adsorption tube 21 has a lowest point, so that the liquid fuel is easy to accumulate in the tube body at the lowest point of the adsorption tube 21, and therefore, the flow guide tube 32 is communicated with the tube body at the lowest point of the adsorption tube 21, so as to suck the accumulated liquid fuel into the oil filling tube 12.

According to the automobile refueling structure 100 of the embodiment of the utility model, the venturi tube 31 is arranged in the refueling tube 12, and the flow passage close to the second opening is communicated with the adsorption tube 21 through the flow guide tube 32, so that negative pressure is formed in the flow passage by utilizing the principle that the pressure on the interface of an object in contact with the fluid can be reduced when the fluid speed is increased, so that liquid fuel stored in the adsorption tube 21 is sucked into the refueling tube 12 to be replenished into the fuel tank 11, and the fuel is added for circulation, thereby not only solving the problem of refueling jump gun caused by fuel storage in the adsorption tube 21, but also reducing the fuel waste and improving the fuel utilization rate, and in addition, solving the problem that the liquid fuel stored in the adsorption tube 21 can be introduced into the carbon tank 22 to cause the failure of the carbon tank 22.

In one embodiment of the present utility model, as shown in fig. 1 to 5, the venturi tube 31 further includes a second tube body 312, wherein the second tube body 312 has a first hollow channel therein, the first hollow channel is in butt communication with the first opening, the second tube body 312 is provided with a first fixing portion 3121, the fuel filling tube 12 is provided with a second fixing portion, and the first fixing portion 3121 is engaged with the second fixing portion. In this embodiment, the second pipe 312 is disposed at the first opening, and the first hollow channel in the second pipe 312 can guide the fuel, so that the fuel can stably enter the flow channel of the first pipe 311 through the first hollow channel, and the situation that the fuel cannot smoothly flow into the flow channel due to too large size change of the flow channel in the direction from the first opening to the second opening is avoided.

The first fixing portion 3121 on the second pipe body 312 can be engaged with the second fixing portion on the filler pipe 12 to enable the venturi 31 to be installed in the filler pipe 12, thereby ensuring the installation stability of the venturi 31.

In one embodiment of the present utility model, as shown in fig. 1 to 5, the first fixing portion 3121 is provided in plurality, the plurality of first fixing portions 3121 are provided at intervals in the circumferential direction of the second pipe body 312, the second fixing portion is a mounting groove, and the plurality of first fixing portions 3121 are each mounted in the mounting groove. In this embodiment, the first fixing portion 3121 is circumferentially engaged with the mounting groove, so that the circumference of the venturi tube 31 can be fixed, thereby further enhancing the limitation of the venturi tube 31 and avoiding the offset of the venturi tube 31.

In one embodiment of the present utility model, as shown in fig. 1 to 5, the first fixing portion 3121 includes a support piece 31211 and a clamping piece 31212, one end of the support piece 31211 is fixedly connected with the second pipe body 312, the other end of the support piece 31211 is fixedly connected with the clamping piece 31212, the support piece 31211 extends along a radial direction of the second pipe body 312, the clamping piece 31212 extends along a circumferential direction of the second pipe body 312, and the clamping piece 31212 is engaged with the mounting groove.

For example, as shown in fig. 2 and 3, three support sheets 31211 are spaced apart from each other along the circumferential direction of the second pipe body 312, each of the three support sheets 31211 extends radially outward of the second pipe body 312, one clamping sheet 31212 is disposed at an outer end of each support sheet 31211, one side of the clamping sheet 31212 is connected with an outer end of the support sheet 31211, and the clamping sheet 31212 extends along the circumferential direction of the second pipe body 312, so that the support sheet 31211 can give sufficient support to the clamping sheet 31212 on one hand, thereby ensuring connection stability of the clamping sheet 31212, and on the other hand, the clamping sheet 31212 extends circumferentially to better cooperate with the mounting groove, thereby improving connection strength between the venturi tube 31 and the filler tube 12, and avoiding separation of the venturi tube 31 and the filler tube 12.

In one embodiment of the present utility model, as shown in fig. 1-5, the diameter of the second tube 312 is smaller than the diameter of the filler tube 12, leaving a flow passage between the second tube 312 and the filler tube 12. In this particular embodiment, the flow passage is a gap between the second tube 312 and the inner wall of the filler tube 12; when the fuel flows through the venturi tube 31, all the fuel does not need to pass through the venturi tube 31, and only part of the fuel needs to pass through, so that the fuel passing speed can be increased, the smoothness of fuel filling is ensured, and the negative pressure oil absorption function of the venturi tube 31 can be realized.

In one embodiment of the present utility model, as shown in fig. 1 to 5, the venturi tube 31 further includes a third tube 313, the third tube 313 has a second hollow passage therein, the second hollow passage communicates with the second opening, the diameter of the third tube 313 is the same as the diameter of the second opening, and the flow guide tube 32 communicates with the third tube 313. In this embodiment, the third pipe body 313 can prolong the flowing distance of the fuel in the venturi tube 31 and ensure that the fuel is in a higher flow velocity, so that a more stable negative pressure space can be formed in the second hollow channel, and the liquid fuel accumulated at the lowest position of the adsorption pipe 21 can be continuously and stably sucked, so that the problem of gun jump in the process of refueling is avoided, and meanwhile, the fuel utilization rate is also improved.

In one embodiment of the present utility model, the third pipe 313 is provided with a first guiding portion, and the first guiding portion extends along a radial direction of the third pipe 313, and the first guiding portion communicates the guiding pipe 32 with the third pipe 313. In this embodiment, the first guiding portion extends outward along the radial direction of the third pipe body 313 and is matched with the guiding pipe 32, so that the guiding pipe 32 is communicated with the third pipe body 313, which can effectively reduce assembly difficulty and improve assembly efficiency.

In a specific embodiment of the present utility model, the adsorption tube 21 is provided with a second flow guiding portion, and the second flow guiding portion extends along the radial direction of the adsorption tube 21, and the second flow guiding portion communicates the flow guiding tube 32 with the adsorption tube 21. In this embodiment, the first flow guiding portion extends outward along the radial direction of the adsorption tube 21 and is matched with the flow guiding tube 32, so that the flow guiding tube 32 is communicated with the adsorption tube 21, assembly difficulty can be effectively reduced, and assembly efficiency can be improved.

In one embodiment of the present utility model, the third tube body 313 is provided with a mounting structure that is connected to the filler tube 12. In this embodiment, the installation stability of the venturi tube 31 can be effectively enhanced by the installation structure, and the occurrence of shaking or position deviation of the venturi tube 31 is avoided.

In some embodiments, the mounting structure can be a clamping structure that the clamping piece is matched with the clamping groove, or can be a clamping structure that the third pipe body 313 and the oil filling pipe 12 are fixedly connected to each other by the limiting rod, or can be other connection forms, which are not particularly limited herein.

In one embodiment of the present utility model, as shown in fig. 1 to 5, the check valve 4 is provided in the flow guide tube 32, and the check valve 4 is turned on in the direction from the adsorption tube 21 to the filler tube 12, and conversely, the check valve 4 is closed. In the present embodiment, the check valve 4 can prevent the fuel accumulated in the filler pipe 12 from flowing back into the adsorption pipe 21, and at the same time, can prevent the fuel in the venturi 31 from flowing into the adsorption pipe 21 through the delivery pipe 32.

In some embodiments, as shown in fig. 1-5, the check valve 4 is a floating ball check valve 4.

The utility model also provides a vehicle with the embodiment.

According to the vehicle provided by the embodiment of the utility model, the problem that the vehicle is easy to jump in the refueling process can be effectively solved by arranging the automobile refueling structure 100, meanwhile, the service life of the carbon tank 22 can be effectively prolonged, and in addition, the fuel consumption of the vehicle can be reduced.

Other constructions and operations of the automobile refueling structure 100 and the vehicle having the same according to the embodiment of the present utility model are known to those of ordinary skill in the art, and will not be described in detail herein.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An automobile refueling structure for a vehicle provided with a fuel filler hole, the automobile refueling structure comprising:

The oiling assembly (1), the oiling assembly (1) comprises an oil tank (11) and an oiling pipe (12), one end of the oiling pipe (12) is communicated with the oil tank (11), and the other end of the oiling pipe (12) is matched with the oiling hole;

A pressure reducing assembly (2), the pressure reducing assembly (2) comprising an adsorption tube (21) and a carbon tank (22), the adsorption tube (21) communicating the carbon tank (22) with the oil tank (11);

The flow guide assembly (3), the flow guide assembly (3) comprises a venturi tube (31) and a flow guide tube (32), the venturi tube (31) is installed in the oil filling tube (12), the venturi tube (31) comprises a first tube body (311), two ends of the first tube body (311) are provided with a first opening and a second opening, the first opening faces the oil filling hole, the second opening faces the oil tank (11), the diameter of the first opening is larger than that of the second opening, and in the direction from the first opening to the second opening, the diameter of a flow channel in the first tube body (311) is gradually reduced; one end of the flow guide pipe (32) is communicated with the flow channel close to the second opening, and the other end of the flow guide pipe (32) is communicated with the adsorption pipe (21).

2. The automobile refueling structure as recited in claim 1, wherein the venturi tube (31) further includes a second tube body (312), a first hollow passage is provided in the second tube body (312), the first hollow passage is in butt-joint communication with the first opening, a first fixing portion (3121) is provided on the second tube body (312), a second fixing portion is provided on the fuel filling tube (12), and the first fixing portion (3121) is engaged with the second fixing portion.

3. The automobile refueling structure as claimed in claim 2, wherein a plurality of the first fixing portions (3121) are provided, a plurality of the first fixing portions (3121) are provided at intervals in a circumferential direction of the second pipe body (312), the second fixing portions are mounting grooves in which the plurality of the first fixing portions (3121) are all mounted.

4. A car refueling structure as claimed in claim 3, wherein the first fixing portion (3121) includes a support piece (31211) and a clip piece (31212), one end of the support piece (31211) is fixedly connected with the second pipe body (312), the other end of the support piece (31211) is fixedly connected with the clip piece (31212), the support piece (31211) extends in a radial direction of the second pipe body (312), the clip piece (31212) extends in a circumferential direction of the second pipe body (312), and the clip piece (31212) is fitted with the mounting groove.

5. The automobile refueling structure as recited in claim 4, wherein the diameter of said second tube body (312) is smaller than the diameter of said filler tube (12), and a flow passage is left between said second tube body (312) and said filler tube (12).

6. The automobile refueling structure as recited in claim 1, wherein said venturi tube (31) further includes a third tube body (313), said third tube body (313) having a second hollow passage therein, said second hollow passage communicating with said second opening, a diameter of said third tube body (313) being the same as a diameter of said second opening, said draft tube (32) communicating with said third tube body (313).

7. The automobile refueling structure as claimed in claim 6, wherein a first flow guiding portion is provided on the third pipe body (313), the first flow guiding portion extending in a radial direction of the third pipe body (313), the first flow guiding portion communicating the flow guiding pipe (32) with the third pipe body (313);

The adsorption tube (21) is provided with a second flow guiding part, the second flow guiding part extends along the radial direction of the adsorption tube (21), and the second flow guiding part is communicated with the flow guiding pipe (32) and the adsorption tube (21).

8. The automobile refueling structure as recited in claim 6, wherein said third tube body (313) is provided with a mounting structure which is connected to said fuel filler tube (12).

9. The automobile refueling structure as claimed in claim 1, wherein a one-way valve (4) is provided in the draft tube (32), the one-way valve (4) is turned on in the direction from the adsorption tube (21) to the refueling tube (12), and conversely, the one-way valve (4) is turned off.

10. A vehicle comprising the automotive refueling structure as claimed in any one of claims 1 to 9.